Fr4 G10 G11 Epoxy Fiberglass Laminated Sheet for Electrical Insulation, Custom Size Supplier
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Product Highlights
- High Temperature Resistance (Class F, 155 deg C): Maintains reliable mechanical and electrical performance under continuous high-temperature operating conditions.
- High Flexural Strength (>= 340 MPa): Provides excellent rigidity and resistance to bending under heavy mechanical loads.
- High Tensile Strength (>= 300 MPa): The woven fiberglass reinforcement provides excellent structural strength and long-term durability.
- High Compressive Strength (>= 350 MPa): Withstands heavy pressure and provides stable mechanical support for electrical components.
- Low Water Absorption (<= 0.10%): Maintains stable dimensions and dependable insulation performance in humid environments.
- High Dielectric Strength (>= 18 kV/mm): Provides reliable electrical insulation for motors, transformers, switchgear and high-voltage equipment.
- Precision CNC Machining (Tolerance: Up to +/- 0.10 mm): Supports CNC milling, drilling, turning, engraving and customized component fabrication based on drawings.
- Multiple Sheet Sizes Available: Standard sizes include 1020 x 1220 mm, 1020 x 2040 mm and 1220 x 2440 mm, with customized sizes available.
Product Attributes
- Customization
- Available
- Application
- Electrical Power System, Electronic Communication, Electronic Device, Medical Equipment
- Color
- Green
- Model NO.
- G10 Sheets
- Material
- Plastic
- Maximum Voltage
- <10KV
- Thermal Rating
- B 130
- Thickness
- 1 mm
- Certification
- ISO9001:2008 /CE/RoHS/Reach/UL
- Size
- 1020*1220mm/1220*2440mm/1220*2040mm
- Tensile Strength
- 400MPa
- Density
- 1.8-2.0g/cm3
- Bending Strength
- >=340MPa
- Transport Package
- Wooden Pallet
- Trademark
- YouDa
- Origin
- China
- Package Size
- 210.00cm * 110.00cm * 12.00cm
- Package Gross Weight
- 50.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Fr4 G10 G11 Epoxy Fiberglass Laminated Sheet for Electrical Insulation, Custom Size Supplier
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Product Description
Our FR4, G10 and G11 Fiberglass Epoxy Sheets are manufactured from high-quality woven glass fiber cloth and epoxy resin under high temperature and pressure. These sheets offer excellent electrical insulation, high mechanical strength, moisture resistance and good dimensional stability. Widely used in transformers, motors, switchgear, electrical equipment and precision CNC machined components, they are available in various thicknesses, colors and customized sizes to meet different industrial insulation requirements.

Product Description

Of course, we can sent you a sample for free. Customers just need to pay a little shipping charge.
Q2: How about the quality of mass production?
Our warehouse staff will leave another same sample as yours. The production process will be under your requirement.
Q3: How about the delivery time?
It depends on order quantity. Generally speaking, the delivery time will be within 3 to 7 days.
Q4: How about the packaging?
We will use professional craft paper to package on plywood pallet. If you have special packaging requirements, we will pack as your need.
Payment≤1000 USD, 100% in advance. Payment≥1000 USD, 30% T/T in advance, balance before shipment.
https://sy-youda.en.made-in-china.com/product/JdbGDPkYaUeg/China-Electrical-Grade-Fr4-Glass-Epoxy-Sheet-for-Transformer-Components.html
https://sy-youda.en.made-in-china.com/product/ZxQpWtODInGg/China-Fr4-Epoxy-Glass-Laminated-Sheet-for-Battery-Module-Insulation-Components.html
https://sy-youda.en.made-in-china.com/product/KOMtLJybldGo/China-Dimensionally-Stable-Fr4-Fiberglass-Sheet-for-Industrial-Jigs-and-Fixtures.html
https://sy-youda.en.made-in-china.com/product/JdbGDPkYaUeg/China-Electrical-Grade-Fr4-Glass-Epoxy-Sheet-for-Transformer-Components.html
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2491238". Items marked "" are certified.
Company Profile
Shenyang YouDa Trading Import & Export Co., Ltd. Your Ideal Partner for Global Electrical Safety
Since 1990, Shenyang YouDa Trading Import & Export Co., Ltd. Has been committed to advancing innovation and safety in the global electrical industry. With over three decades of expertise, we are not only a trusted manufacturer of insulation materials but also a driving force in building a safer electrical future worldwide.
1. Insulation Materials - The Core of Electrical SafetyAs a comprehensive enterprise integrating R&D, manufacturing, and exports, Shenyang YouDa has established itself as a leader in insulation solutions.
Our extensive product portfolio includes:
Rigid laminated insulation boards, rods, and tubes
(Epoxy board, epoxy tube, epoxy rod, fiberglass board, fiberglass rod, fiberglass tube, phenolic cloth board, phenolic cloth rod, phenolic cloth tube, etc. )
Flexible insulation papers and composites
(AMA, DMD, AHA, NHN, polyester film, polyimide film, etc. )
High-performance mica products with outstanding heat resistance and dielectric strength
Every product is designed to provide reliable protection for transformers, motors, generators, and high-voltage equipment. With strict quality control and advanced processing capabilities, we ensure that every detail meets the highest standards of electrical safety.
2. Engineering Plastics - Strength and Reliability in Harsh EnvironmentsIn industries where durability is essential, Shenyang YouDa delivers advanced engineering plastics that withstand extreme operating conditions. Our products feature:
High-temperature resistance
Superior mechanical strength
Excellent corrosion protection
(PP Board, PC Board, PVC Boards, Acrylic , etc. )
These materials are widely applied in heavy machinery, mining, rail transportation, renewable energy, and even aerospace sectors - guaranteeing long-term stability and performance where reliability cannot be compromised.
3. Transformer Coolers - Precision and EfficiencyWith state-of-the-art automated welding technology and modern production lines, our transformer coolers offer outstanding efficiency and flexibility.
Key features include:
Annual production capacity exceeding 6, 000 tons
Fin widths of 520mm, 480mm, and 310mm
Customizable pitch distances from 500mm to 4000mm
These innovations ensure that we can provide tailored cooling solutions to meet the diverse needs of transformer manufacturers worldwide.
Global Reach, Shared SuccessShenyang YouDa's products and solutions are trusted across multiple industries - from power systems and renewable energy to automation, transportation, and aerospace. Guided by the principle of safety through innovation, we stand as a reliable partner for companies seeking world-class insulation and electrical protection solutions.
In today's interconnected world, we warmly welcome international partners to join us in forging a secure electrical future. With professional services, exceptional products, and a spirit of collaboration, Shenyang YouDa Trading Import & Export Co., Ltd. is ready to grow and prosper together with you.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Shenyang, Liaoning, China
-
Plant Area
- 150 square meters
-
Number of Employees
- 28
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Dalian Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Transformer Radiator, Insulation Paper, Insulation Sheet, Electrical Insulation Paper, Insulation Films, Fish Paper, DDP Paper
-
Production Lines
- 1
-
Production Machines
- Sculpture Machine, Cutting Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2019-12-16
-
Export Year
- 5 Years
-
Main Markets
- Africa, East Asia(Japan/ South Korea)
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the difference between G10, FR4 and G11 epoxy fiberglass sheets?
- G10 offers high mechanical strength and electrical insulation. FR4 provides similar performance with added flame retardancy. G11 is designed for applications requiring higher operating temperatures and better thermal stability.
- Can you provide customized sizes and CNC-machined parts?
- Yes. We provide custom cutting, drilling, milling and CNC machining according to your drawings or samples. Sheets, strips and finished insulation components are available.
- What applications are FR4, G10 and G11 sheets suitable for?
- They are widely used in electrical equipment, transformers, motors, switchgear, control cabinets, test fixtures, mechanical supports and other industrial insulation components.
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